„Evaluation of Substance abuse among in school and out of school youth in Sokoto, northwestern Nigeria“, AJBR, let. 23, št. 3, str. 361–365, sep. 2020, Pridobljeno: 27. junij 2026. [Na spletu]. Dostopno na: https://ojshostng.com/index.php/ajbr/article/view/90